TS Optics Ultra-Series 2", 15mm, 100° eyepiece (50189)

The TS Optics Ultra-Series 2", 15mm, 100° eyepiece is designed for astronomers who want a wide, immersive view and comfortable eye relief during their observations. Part of the 100° Ultra-Series, this eyepiece features a modern optical design with multiple lens elements and coatings for sharp, high-contrast images. Its robust construction and 2" barrel make it compatible with a wide range of telescopes, especially those used for deep-sky and wide-field viewing. The eyepiece also includes convenient features like a filter thread and an adjustable, rotatable eyepiece cup for added comfort.

This eyepiece is ideal for users seeking a combination of a wide field of view, high optical performance, and comfortable viewing for both deep-sky and planetary observations.

Optical Specifications

• Apparent field of view: 100°

• Eye relief: 16 mm

• Focal length: 15 mm

• Number of lenses: 6

• Number of groups: 4

• Optical system coating: Multiple coatings

Compatibility and Features

• Barrel size: 2"

• Filter thread: Yes

• Adjustable eyepiece cup: Yes, rotatable

General Information

• Series: 100° Ultra-Series

• Weight: 633 g

• Height: 121 mm

• Diameter: 68 mm

• Type: Eyepiece

• Build type: XWA (Extreme Wide Angle)